In today's tech like Samsung reveals the first -- a top executive told Bloomberg that the flagship device may contain a built in iris scanner and we'll work with the -- -- -- galaxy -- -- -- watch also with the Consumer Electronics Show Sony unveiled a new lifestyle device called the core. It -- everything -- where does during the day and places that information into and out. Cnet's Dan Ackerman got a firsthand look. Just fitness tracker things like keep track of your activity and your sleep. But it also Fulton since social networking and music you can listen to -- even keeps track of the weather maybe he'll be playing -- work out a little bit better. And one of the most unique items to appear at CES is called a lecturer and nails these artificial fingernails are made of -- patented fiber material which allows wearers to use them like a touch screen stylus. Electric nails go on sale in March -- -- tech -- I'm Marcy Gonzales.

This transcript has been automatically generated and may not be 100% accurate.

Samsung will partner with Best Buy to build shops within Best Buy stores.

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